# 1 "main.c"
# 1 "<built-in>"
# 1 "<command-line>"
# 1 "/usr/include/stdc-predef.h" 1 3 4
# 1 "<command-line>" 2
# 1 "main.c"
int main(void){
 int a, b;
 printf("enter two numbers:");
 scanf("%d %d", &a, &b);
 printf("add:%d\n",add(a, b));
 printf("sub:%d\n",sub(a, b));
 printf("mul:%d\n",mul(a, b));
 printf("div:%d\n",div(a, b));
 return 0;
}
